onglet avec une croix de fermeture

Je ne sais plus où je l'ai récupéré, mais voici ce que j'utilise :
Code:
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import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
 
import javax.swing.Icon;
import javax.swing.JTabbedPane;
 
 
/**
 * A JTabbedPane which has a close ('X') icon on each tab.
 * 
 * To add a tab, use the method addTab(String, Component)
 * 
 * To have an extra icon on each tab (e.g. like in JBuilder, showing the file
 * type) use the method addTab(String, Component, Icon). Only clicking the 'X'
 * closes the tab.
 */
public class JTabbedPaneWithCloseIcons extends JTabbedPane implements MouseListener {
 
 
	public JTabbedPaneWithCloseIcons() {
		super();
		addMouseListener(this);
	}
 
	public void addTab(String title, Component component, Icon extraIcon) {
		super.addTab(title, new CloseTabIcon(extraIcon), component);
	}
 
	public void mouseClicked(MouseEvent e) {
		int tabNumber = getUI().tabForCoordinate(this, e.getX(), e.getY());
		if (tabNumber < 0)
			return;
 
		if (getIconAt(tabNumber) != null) {
			Rectangle rect = ((CloseTabIcon) getIconAt(tabNumber)).getBounds();
			if (rect.contains(e.getX(), e.getY())) {
				this.removeTabAt(tabNumber);
			}
		}
	}
 
	public void mouseEntered(MouseEvent e) {
	}
 
	public void mouseExited(MouseEvent e) {
	}
 
	public void mousePressed(MouseEvent e) {
	}
 
	public void mouseReleased(MouseEvent e) {
	}
}
 
 
 
 
/**
 * The class which generates the 'X' icon for the tabs. The constructor accepts
 * an icon which is extra to the 'X' icon, so you can have tabs like in
 * JBuilder. This value is null if no extra icon is required.
 */
class CloseTabIcon implements Icon {
	private int x_pos;
	private int y_pos;
	private int width;
	private int height;
	private Icon fileIcon;
 
 
	public CloseTabIcon(Icon fileIcon) {
		this.fileIcon = fileIcon;
		width = 16;
		height = 16;
	}
 
	public void paintIcon(Component c, Graphics g, int x, int y) {
		this.x_pos = x;
		this.y_pos = y;
 
		Color col = g.getColor();
 
		g.setColor(Color.black);
		int y_p = y + 2;
		g.drawLine(x + 1, y_p, x + 12, y_p);
		g.drawLine(x + 1, y_p + 13, x + 12, y_p + 13);
		g.drawLine(x, y_p + 1, x, y_p + 12);
		g.drawLine(x + 13, y_p + 1, x + 13, y_p + 12);
		g.drawLine(x + 3, y_p + 3, x + 10, y_p + 10);
		g.drawLine(x + 3, y_p + 4, x + 9, y_p + 10);
		g.drawLine(x + 4, y_p + 3, x + 10, y_p + 9);
		g.drawLine(x + 10, y_p + 3, x + 3, y_p + 10);
		g.drawLine(x + 10, y_p + 4, x + 4, y_p + 10);
		g.drawLine(x + 9, y_p + 3, x + 3, y_p + 9);
		g.setColor(col);
		if (fileIcon != null) {
			fileIcon.paintIcon(c, g, x + width, y_p);
		}
	}
 
	public int getIconWidth() {
		return width + (fileIcon != null ? fileIcon.getIconWidth() : 0);
	}
 
	public int getIconHeight() {
		return height;
	}
 
	public Rectangle getBounds() {
		return new Rectangle(x_pos, y_pos, width, height);
	}
}